如今燕麦(mài )草、小(xiǎo )杂(zá )粮、覆(fù )膜马铃薯等耐旱作物“当家(jiā )”,以(yǐ )水定粮(liáng )改变了(le )察(chá )汗(hàn )淖尔湿地周边农(nóng )业(yè )形(xíng )态。庞(páng )学峰给记(jì )者(zhě )算了一笔账:种植燕麦草,只搞(gǎo )“雨养”农业,不(bú )使(shǐ )用地下水(shuǐ )。成本下降,加(jiā )上(shàng )轮作(zuò )和“水(shuǐ )改旱”补贴,亩效益可比种(zhǒng )甜菜(cài )增(zēng )加200元人民币左右(yòu )。
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